# RF and Radio Modules

> RF and LoRa modules (433/868MHz), NRF24L01 and CC1101 transceivers, remote controls, radio relays and FM/AM radio kits

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/rf-and-radio-modules
- Category: Mechatronics and IoT > Sensors and Modules > RF and Radio Modules
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (27)

### FM radio transmitter module, DSP PLL, 87–108 MHz, LCD, campus mode 76–108 MHz
- Page: https://sigmanortec.ro/en/fm-radio-transmitter-module-dsp-pll-87108-mhz-lcd-campus-mode-76108-mhz
- Details: https://sigmanortec.ro/en/llms/p/2485.md
- Price: 62.13 RON
- Availability: In stock; 1-2 zile
- Reference: 88307 · EAN: 5948723808075
- Specifications: Frequency band: 87 - 108 MHz; Circuit technology: DSP PLL; Module function: Transmitator FM

FM radio transmitter module with DSP and PLL technology, with LCD display and 5 buttons, transmits stereo on the 87.0 - 108.0 MHz band or, in campus mode, on the 76.0 - 108.0 MHz band, with an output power of 100 mW. It accepts audio signal from LINE, USB, or the built-in MIC microphone, is powered by 3.0 - 5.0 VDC, and uses a 75 cm antenna. Suitable for wireless microphone, audio broadcasting from a phone or PC, and short-range DIY broadcasting projects.
This FM radio transmitter module uses digital signal processing (DSP) technology and a phase-locked loop (PLL) to transmit the signal without frequency drift and with good sound quality.

### FM DSP PLL radio receiver module, 87–108 MHz with LCD, Campus mode 76–108 MHz, stereo output 2x3W
- Page: https://sigmanortec.ro/en/fm-dsp-pll-radio-receiver-module-87108-mhz-with-lcd-campus-mode-76108-mhz-stereo-output-2x3w
- Details: https://sigmanortec.ro/en/llms/p/2486.md
- Price: 77.59 RON
- Availability: In stock; 1-2 zile
- Reference: 88308 · EAN: 5949474674896
- Specifications: Frequency band: 87 - 108 MHz; Circuit technology: DSP PLL; Module function: Receptor FM

FM stereo radio receiver module with DSP and PLL, LCD display and two rotary encoders VOL and FRE for volume and tuning, ideal for active speakers, wireless microphones, school public address systems and DIY projects. It covers the standard 87.0 - 108.0 MHz band, extendable to 76.0 - 108.0 MHz in Campus mode for university stations, with 500 mW stereo audio output on headphones or 2x3 W on speakers, UART serial control and automatic settings memory.

### LoRa M5 Stack module with E220 transceiver, 433MHz, 5V
- Page: https://sigmanortec.ro/en/lora-m5-stack-module-with-e220-transceiver-433mhz-5v
- Details: https://sigmanortec.ro/en/llms/p/2196.md
- Price: 213.32 RON
- Availability: In stock; 1-2 zile
- Reference: 88042 · EAN: 5942876384004
- Specifications: Input Voltage: 5 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

High-performance LoRa solution for long-distance wireless communications, ideal for IoT, remote sensors and monitoring. It operates at 433 MHz with coverage up to 10 km in open field, UART interface with AT commands for quick integration with Arduino and similar boards, adjustable 22 dBm emission power and ultra-low sleep consumption of up to 2 uA.
The M5Stack module with LoRa E220 transceiver is a high-performance wireless communication solution, designed for projects that require long-distance transmissions. Operating at a frequency of 433 MHz, the module can provide communications up to 10 km in open field, making it ideal for IoT applications, remote sensors or monitoring systems.

### Holybro radio telemetry set, 433mhz, 100mW
- Page: https://sigmanortec.ro/en/holybro-radio-telemetry-set-433mhz-100mw
- Details: https://sigmanortec.ro/en/llms/p/2006.md
- Price: 679.22 RON
- Availability: In stock; 1-2 zile
- Reference: 88019 · EAN: 5944435843977

433MHz, 100mW radio telemetry set, for stable bidirectional communication between the drone and the ground station, plug and play compatible with Pixhawk Standard and other controllers. Runs SiK open source firmware optimized for MAVLink, easily integrates with Mission Planner, Ardupilot, QGroundControl and PX4, offers full duplex link with FHSS and error correction, with a range of over 300 m out of the box.
Holybro SiK telemetry set that operates at a frequency of 433MHz, with a maximum power of 100mW. This is an open-source, compact and lightweight radio platform that facilitates bidirectional communication between the drone's autopilot and the base station on the ground.

### Transmitter-receiver module set, 433MHz, STX882, SRX882, with antennas
- Page: https://sigmanortec.ro/en/transmitter-receiver-module-set-433mhz-stx882-srx882-with-antennas
- Details: https://sigmanortec.ro/en/llms/p/1982.md
- Price: 26.96 RON
- Availability: In stock; 1-2 zile
- Reference: 9798 · EAN: 5949846323544

433MHz wireless transceiver set for commands and telemetry, ideal for Arduino and automation projects. Offers stable communication up to 100 m, high transmission power up to 50 mW at 3.6 V, high sensitivity for reliable reception and low consumption, includes two helical antennas for quick installation and better signal.
The transmitter and receiver module set, STX882 and SRX882, is a wireless control device with small size, high power and low harmonics, which can reach a communication distance of up to 100 meters. It can reach a power of 50mW at a voltage of 3.6V, being among the most powerful transmission/reception modules at this voltage.

### 2-channel remote control, 433MHz, 6V
- Page: https://sigmanortec.ro/en/2-channel-remote-control-433mhz-6v
- Details: https://sigmanortec.ro/en/llms/p/1921.md
- Price: 26.02 RON
- Availability: In stock; 1-2 zile
- Reference: 9745 · EAN: 5940886405795
- Specifications: tension: AD; Input Voltage: 6 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

2-channel remote control (A and B) operating at 433MHz, for remote control of compatible devices and systems, suitable for automation and access systems. Operates at 6V DC, using 2 CR2016 batteries (not included) connected in series. Range 25-50 m, resistant plastic housing, with keychain attachment.

### Radio serial communication module, 433MHz, HC-12, SI4438, 1km
- Page: https://sigmanortec.ro/en/radio-serial-communication-module-433mhz-hc-12-si4438-1km
- Details: https://sigmanortec.ro/en/llms/p/1700.md
- Price: 30.50 RON
- Availability: In stock; 1-2 zile
- Reference: 9587 · EAN: 5946696352601

HC-12 radio transceiver module with SI4438 chip, UART/TTL interface, for bidirectional wireless communication at 433MHz. Transmission range up to 1km in open field, adjustable output power up to 20dBm, maximum speed 115200bps, configurable via AT commands. Operating voltage 3.2-5.5VDC, metal helical antenna included, dimensions 29 x 13mm. Not compatible with HC-11 or HC-06 modules.

### FM transmitter module, SI4713, I2C, 3-5VDC
- Page: https://sigmanortec.ro/en/fm-transmitter-module-si4713-i2c-3-5vdc
- Details: https://sigmanortec.ro/en/llms/p/1633.md
- Price: 56.04 RON
- Availability: In stock; 1-2 zile
- Reference: 9518 · EAN: 5945284132052
- Specifications: Supply Voltage: 3 V; Maximum Input Voltage: 5 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

FM transmitter module based on Si4713, controlled via I2C interface, 3-5VDC power supply. Compatible with Arduino, ESP32 and other development boards. Allows stereo audio transmission via 3.5mm AUX input and RDS data (song title, text messages). Typical range up to 10 meters, extendable with an antenna. Operating temperature -25 to 85 degrees C, dimensions 40 x 20 x 7mm.

### Relay module with remote control, 1 channel, 433MHz, 12VDC
- Page: https://sigmanortec.ro/en/relay-module-with-remote-control-1-channel-433mhz-12vdc
- Details: https://sigmanortec.ro/en/llms/p/1550.md
- Price: 51.46 RON
- Availability: In stock; 1-2 zile
- Reference: 9453 · EAN: 5949279076253
- Specifications: tension: AD; Output Type Voltage: Closed-Open Contact; Input Voltage: 12 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Quickly control electrical consumers remotely with a 1-channel 433MHz relay, powered at 12VDC and delivered in a compact box. It offers ON OFF or momentary control, plus delayed mode, via a remote control with two buttons A and B. The relay contacts support up to 10A at 250VAC, the working range can reach 50 m in ideal conditions.
The module with a 12VDC remote control relay and a remote control, which operates at a frequency of 433MHz. It is accompanied by a plastic box and the remote control has two buttons, A and B. The two buttons can be used to activate/deactivate the relay.
The remote control requires two CR2016 batteries to operate (not included).

### 16-channel relay with remote control, 12V, 433MHz
- Page: https://sigmanortec.ro/en/16-channel-relay-with-remote-control-12v-433mhz
- Details: https://sigmanortec.ro/en/llms/p/1462.md
- Price: 213.31 RON
- Availability: In stock; 1-2 zile
- Reference: 9356 · EAN: 5946452719709
- Specifications: Output Type Voltage: Closed-Open Contact; Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

16-channel relay with 433MHz wireless remote control, quick pairing via the learn function. Input voltage 12V DC, output type open/closed contact, maximum load 7A per channel. Supports 3 operating modes: jog, latched and toggle. The remote uses a type 23A battery (not included). Ref. 9356.

### 4-channel remote control, 433MHz
- Page: https://sigmanortec.ro/en/4-channel-remote-control-433mhz
- Details: https://sigmanortec.ro/en/llms/p/1444.md
- Price: 19.19 RON
- Availability: In stock; 1-2 zile
- Reference: 9338 · EAN: 5945060471306

4-channel remote control, transmitter operating at 433MHz with ASK modulation, for remote control of compatible relays and automation systems. Transmission power +13dBm, control range up to 50 meters under ideal conditions. ABS housing, powered at 12VDC with a 23A battery, not included. Button order may differ from other similar remote controls.

### Radio control module, 4CH, receiver with transmitter, 40MHz
- Page: https://sigmanortec.ro/en/radio-control-module-4ch-receiver-with-transmitter-40mhz
- Details: https://sigmanortec.ro/en/llms/p/1431.md
- Price: 22.66 RON
- Availability: In stock; 1-2 zile
- Reference: 9325 · EAN: 5945383477504

40MHz 4-channel transmitter receiver pair, ideal for DIY remote control projects, allows control of two motors in both directions for forward, reverse and direction. It operates at 3-4.5V on the transmitter and 4.5-6V on the receiver, has a range of up to 10 m, offers simple connections for 130 type motors and includes antennas for stable transmission.
Pair of 40MHz transmitter-receiver frequency, with 4 channels, which allows the control of 2 motors in both directions.
This allows, for example, the creation of a remote control car in which one motor is responsible for forward/backward movement and the second can be used to control the direction.
Careful!

### LoRa module RFM96, 868MHz, Ultra-long range, 3.3V
- Page: https://sigmanortec.ro/en/lora-module-rfm96-868mhz-ultra-long-range-33v
- Details: https://sigmanortec.ro/en/llms/p/1345.md
- Price: 57.28 RON
- Availability: In stock; 1-2 zile
- Reference: 9233 · EAN: 5945556280528
- Specifications: Input Voltage: 3.3VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

LoRa module RFM96 for 868MHz, powered at 3.3VDC, suited for telemetry and IoT applications. Provides ultra-long range communication over 20 km under good conditions, sensitivity down to -148 dBm and RF output power up to +20 dBm, with low power consumption. Compatible with Arduino and other development boards; requires a logic level converter. Dimensions: 16 x 16mm.

### 4 relay module with remote control, 12V, 433Mhz, programmable
- Page: https://sigmanortec.ro/en/4-relay-module-with-remote-control-12v-433mhz-programmable
- Details: https://sigmanortec.ro/en/llms/p/813.md
- Price: 67.97 RON
- Availability: In stock; 1-2 zile
- Reference: 9005 · EAN: 5940935125476
- Specifications: tension: AD; Output Type Voltage: Closed-Open Contact; Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

4-channel relay module for remote control, 12V DC supply, includes a 433Mhz remote control. Uses a decoder with chip 2272 and supports momentary, ON/OFF or latched operating modes, plus mixed channel modes. Comes with a plastic case for mounting, dimensions 170 x 110 x 50mm. The remote's battery, type 23A 12V, is not included. Output is a closed-open contact type.

### Transmitter plus Receiver Set 433MHz SYN115, SYN480
- Page: https://sigmanortec.ro/en/transmitter-plus-receiver-set-433mhz-syn115-syn480
- Details: https://sigmanortec.ro/en/llms/p/701.md
- Price: 13.49 RON
- Availability: In stock; 1-2 zile
- Reference: 33223 · EAN: 5949532802629

Set of SYN115 transmitter and SYN480R receiver for wireless transmission at 433MHz with ASK/OOK modulation. The transmitter operates at 1.8-3.6V, speed 

### NRF24L01+PA/LNA wireless module, 1.1Km, 3.3V
- Page: https://sigmanortec.ro/en/wireless-module-nrf24l01palna-11km
- Details: https://sigmanortec.ro/en/llms/p/467.md
- Price: 19.26 RON
- Availability: In stock; 1-2 zile
- Reference: 33083 · EAN: 5946503102221
- Specifications: Input Voltage: 3.3 V

Quickly expand wireless communication between Arduino projects and other boards, with stable transmission up to 1.1 km in open field thanks to the PA+LNA antenna. It operates in the 2.4 GHz band, offers selectable speeds of 250 kbps, 1 Mbps or 2 Mbps and programmable transmit power, simple connection via SPI at 3-3.6 V.
The NRF24L01 wireless module with external antenna is an efficient solution for long-range wireless communication, suitable for both hobby projects and industrial applications. Equipped with a power amplifier (PA) and a low-noise amplifier (LNA), the module can transmit data over distances of up to 1100 meters in open field, at a transmission rate of 250 kbps.

### NRF24L01 2.4GHz wireless transceiver module
- Page: https://sigmanortec.ro/en/nrf24l01-24ghz-wireless-transceiver-module
- Details: https://sigmanortec.ro/en/llms/p/468.md
- Price: 10.26 RON
- Availability: In stock; 1-2 zile
- Reference: 22181 · EAN: 5948237673459

NRF24L01 wireless transceiver module, 2.4GHz band (not wifi), compatible with Arduino and other development boards. Supply voltage 1.9-3.6VDC, communication speed up to 2Mbps, integrated antenna. Compact dimensions 15 x 29 mm, suitable for radio links between microcontrollers.

### CC1101 wireless transceiver module + SMA antenna, 433MHz
- Page: https://sigmanortec.ro/en/cc1101-wireless-transceiver-module-sma-antenna-433mhz
- Details: https://sigmanortec.ro/en/llms/p/453.md
- Price: 33.24 RON
- Availability: In stock; 1-2 zile
- Reference: 33087 · EAN: 5944732651121

CC1101 wireless module with SMA antenna for RF communications in the ISM band 433MHz, ideal for Arduino and other development boards. Offers programmable frequency 387-464MHz via SPI, stable transmission with CRC and RSSI measurement, support for 2-FSK, GFSK and MSK modes, low standby power with WOR.
CC1101 wireless transmission and reception module with SMA antenna compatible with Arduino and other development boards. This module operates in the sub-1GHz bandwidth, 433MHz, and is especially designed for ISM (Industrial, Scientific and Medical) and SRD (Short Range Device).
The operating frequency is 433MHz, but it can be programmed to operate at other frequencies in the 387-464MHz range.

### Stereo FM radio mode
- Page: https://sigmanortec.ro/en/stereo-fm-radio-mode
- Details: https://sigmanortec.ro/en/llms/p/418.md
- Price: 8.63 RON
- Availability: In stock; 1-2 zile
- Reference: 22202 · EAN: 5947068343487

Stereo FM radio module RDA5807M RRD-102V2.0, compatible with Arduino and other development boards. Supply voltage 2.7-3.6VDC, FM band 76-108MHz, communication via I2C interface. Features a built-in analog and digital synthesizer and provides a direct 32Ω audio output without the need for an additional amplifier. Reference 22202.

### LOra 433MHz transceiver module SX1278 5km
- Page: https://sigmanortec.ro/en/lora-433mhz-transceiver-module-sx1278-5km
- Details: https://sigmanortec.ro/en/llms/p/404.md
- Price: 35.21 RON
- Availability: In stock; 1-2 zile
- Reference: 33084 · EAN: 5946237689203

The SX1278 LoRa transceiver module provides reliable radio communication between two devices up to 5 km in open field, ideal for telemetry and automation. Compatible with Arduino and other development boards, it offers high sensitivity up to 139 dBm, 20 dBm transmit power and standby consumption below 200 nA. It operates at 3.3 V on the logic pins and supports LoRa and FSK modes.
The Lora SX1278 transceiver module allows radio communication between two modules over a distance of 5km in open field. Product compatible with Arduino and other development boards.
The module operates at a voltage of 3.3V on the logic pins (requires a logic level converter)
Specifications …

### 433MHz transmitter/receiver module
- Page: https://sigmanortec.ro/en/433mhz-transmitter-receiver-module
- Details: https://sigmanortec.ro/en/llms/p/376.md
- Price: 6.59 RON
- Availability: Out of stock
- Reference: R-22140 · EAN: 5946339826360

RF 433MHz set consisting of a receiver and transmitter for wireless control in DIY projects and automation. The receiver operates at 5VDC, frequency 433.92MHz, sensitivity -105dB, dimensions 30 x 14 x 7 mm. The transmitter is powered at 3.5-12VDC, dimensions 19 x 19 mm, range between 20 and 200 meters depending on voltage and environment.

### Wireless Remote Control Kit, Freenove with tutorial, NRF24L01
- Page: https://sigmanortec.ro/en/wireless-remote-control-kit-freenove-with-tutorial-nrf24l01
- Details: https://sigmanortec.ro/en/llms/p/2238.md
- Price: 268.24 RON
- Availability: In stock; 1-2 zile
- Reference: 88076 · EAN: 5948845321513

DIY kit for building a functional wireless remote control, based on the Freenove UNO R3 board (compatible with Arduino UNO R3, ATmega328P, 16 MHz, 5V, USB-C) and two NRF24L01 modules (2.4GHz, SPI, 3.3V) for transmitter and receiver. Includes assembly accessories, a 9V battery holder (battery not included) and a step-by-step tutorial on GitHub in English. Requires technical knowledge.

### TTGO LoRa32 V2.1 Development Board, 868MHz, WiFi, Bluetooth
- Page: https://sigmanortec.ro/en/ttgo-lora32-v21-development-board-868mhz-wifi-bluetooth
- Details: https://sigmanortec.ro/en/llms/p/2055.md
- Price: 259.35 RON
- Availability: In stock; 1-2 zile
- Reference: 9916 · EAN: 5941066598962

Development module for IoT projects with LoRa communication on 868MHz, ideal for telemetry and remote control, offers high coverage up to 15 km in open field, quick integration with ESP32 for WiFi and Bluetooth, included SMA antenna for stable signal and integrated LCD display for local monitoring.
The TTGO LoRa32 V2.1 development board is a last-generation wireless module, designed for IoT applications, intelligent systems and long-distance communication solutions.

### DIY FM radio kit, RDA5807S, with housing
- Page: https://sigmanortec.ro/en/diy-fm-radio-kit-rda5807s-with-housing
- Details: https://sigmanortec.ro/en/llms/p/1998.md
- Price: 89.60 RON
- Availability: Out of stock
- Reference: 9817 · EAN: 5942410762985

Unassembled FM radio DIY kit, ideal for electronics and RF enthusiasts, offers clear reception on 87-108 MHz with RDA5807S module and noise reduction functions, displays frequency on digital display, includes TDA2822 amplifier for powerful sound, is powered by 5V via MicroUSB or 2 AA batteries and comes with acrylic case for protection and clean appearance.
Unassembled FM Radio Kit with RDA5807S, ideal for electronics and radio frequency enthusiasts. It uses a Nixie tube RDA5807S radio module, known for its global compatibility with FM reception bands and advanced noise cancellation and sound enhancement functions.

### Serial to USB adapter for NRF24L01, CH340
- Page: https://sigmanortec.ro/en/serial-to-usb-adapter-for-nrf24l01-ch340
- Details: https://sigmanortec.ro/en/llms/p/1014.md
- Price: 28.81 RON
- Availability: In stock; 1-2 zile
- Reference: 9166 · EAN: 5949703906187

The adapter allows wireless serial communication together with an NRF24L01 module, ideal for stable links over long distances. It integrates the CH340T USB interface and works on most Windows systems, supports AT commands for quick configuration and includes a red LED for power and a blue LED for status, operating at 125.
Serial to NRF24L01 converter module, which uses the CH340T communication driver.
It is used together with an NRF24L01 module and is compatible with most Windows systems.
The board may be incompatible with the latest version of the CH340 driver (2023). Download the driver from the Download section.

### 16-channel relay with remote control, 12V, 315MHz
- Page: https://sigmanortec.ro/en/16-channel-relay-with-remote-control-12v-315mhz
- Details: https://sigmanortec.ro/en/llms/p/589.md
- Price: 213.31 RON
- Availability: Out of stock
- Reference: R-33126 · EAN: 5946523192356
- Specifications: Output Type Voltage: Closed-Open Contact; Input Voltage: 12 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

16-channel relay module controlled wirelessly via a 315MHz remote control, powered at 12 VDC, with closed-open contact output type. Pairs using the learn function and supports up to 7A per channel. Offers 3 operating modes: jog (activation while button held), latched (on-off) and toggle (interlock between channels). Suitable for automation, control panels and DIY projects.

### FM/AM Radio Kit, DIY
- Page: https://sigmanortec.ro/en/fm-am-radio-kit-diy
- Details: https://sigmanortec.ro/en/llms/p/273.md
- Price: 37.62 RON
- Availability: In stock; 1-2 zile
- Reference: 33375 · EAN: 5948418485291

Build yourself an AM/FM radio for learning and DIY projects, the kit integrates CD9088 for FM reception and AM7642 for AM reception, offers searching and listening to stations in the two bands, is powered by 3VDC with 2 AA batteries, is ideal for electronics experiments and developing assembly skills.
The CF210SP kit is a dual-band radio receiver, capable of receiving both FM and AM stations, ideal for electronics enthusiasts and students who want to learn through practice how a complete radio receiver works. The kit is delivered with all the components necessary for assembly and includes a printed circuit board (PCB), on which the values and positions of each component are clearly marked.